Home > Carbon Steel > Carbon Steel API 5L Grade X56 Pipes
Liam Pipes and Tubes is a well-respected manufacturer and supplier of Carbon Steel API 5L Grade X56 Pipes, based in Houston, USA. They specialize in high-strength carbon steel pipes that are essential for the oil and gas industry, where reliability, pressure resistance, and durability are key. API 5L X56 Pipes are frequently used to transport natural gas, crude oil, and water through pipeline systems. Liam Pipes and Tubes guarantees that all their pipes meet API specifications, ensuring consistent quality, precise dimensions, and timely delivery to support critical infrastructure and energy projects around the globe.
These Carbon Steel API 5L X56 Pipes are crafted from low-alloy carbon steel, with mechanical properties specifically designed for high-pressure fluid transmission. They boast a minimum yield strength of 386 MPa (56,000 psi) and a minimum tensile strength of 490 MPa (71,000 psi). Available in both PSL1 and PSL2 grades, these pipes offer excellent weldability, toughness, and resistance to fractures and corrosion. The PSL2 variants come with improved mechanical properties and are subjected to additional testing requirements. Depending on the specific needs of a project, these pipes can be supplied in seamless or welded forms and in various delivery conditions.
X56 Pipe Sizes: Nominal Pipe Size 1/2″ to 48 ” O.D.
Wall Thickness: Schedule 10 through 160, STD, XS, XXS.
API 5L X56 Seamless Pipe: B (L245) – X42 (L290) – X52N (L360) – X60 (L415) – X65 (L450)
DIMENSION: FROM 1/4” UP TO 24”
API 5L X56 Welded Pipe: B (L245) – X42 (L290) – X52N (L360) – X60 (L415) – X65 (L450) – X70 (L485) – X80 (L555)
DIMENSION: FROM 1/2” UP TO 60”
Weld Alternatives: ERW, HF, DSAW/SAWL, SMLS, HSAW
X56 Pipe Product Specification Level: API 5L X56 PSL 2, API 5L X56 PSL 1
Additional Services: Internal Coating
API 5L Grade B Hot Selling Grades: API 5L X42 Pipe, API 5L X46 Pipe, API 5L X52 Pipe, API 5L X56 Pipe, API 5L X60 Pipe, API 5L X65 Pipe, API 5L X70 Pipe
| Grade | Composition, % | |||||||
|---|---|---|---|---|---|---|---|---|
| C max | Mn max | P | S max | V max | Nb max | Ti max | ||
| min | max | |||||||
| B | 0.28 | 1.2 | – | 0.03 | 0.03 | c.d | c,d | d |
| X56 | 0.28 | 1.4 | – | 0.03 | 0.03 | d | d | d |
| Grade | Yield Strength Mpa | Tensile Strength Mpa | Elongation |
|---|---|---|---|
| B | 245 | 415 | c |
| X56 | 390 | 490 | c |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Carbon Steel API 5L Grade X56 Pipes from Liam Pipes and Tubes ensures outstanding corrosion resistance, high strength, and durability. Our Pipe is designed for diverse industrial applications, delivering reliability and performance in challenging environments while maintaining competitive pricing.
| ASTM API 5L | Specification for line pipe | |
|---|---|---|
| Material Grade | PSL1 | L390 or x56 |
| Material Grade | PSL2 | L390N or X56N L390Q or X56Q L390M or X56M |
| API 5L X56 | PSL2 |
|---|---|
| Minimum Yield Strength: | 56,000 psi |
| Maximum Yield Strength: | 79,000 psi |
| Minimum Tensile Strength: | 71,000 psi |
| Maximum Tensile Strength: | 110,000 psi |
| Notes: This is a standard line pipe grade specifiedin API (American Petroleum Institute) specification 5L. | |
Liam Pipes and Tubes is one of the largest Carbon Steel API 5L Grade X56 Pipes suppliers in Houston , USA, providing a comprehensive range of high-quality pipes tailored for various industries, ensuring reliable delivery and exceptional service to meet diverse project needs.
Yes, we offer custom sizes for Carbon Steel API 5L Grade X56 Pipes to meet your specific requirements. Our team at Liam Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@liampipes.us.
Carbon Steel API 5L Grade X56 Pipes are extensively utilized in oil and gas transmission lines, offshore pipeline systems, and for transporting high-pressure water and slurry. They are ideal for onshore infrastructure, compressor stations, refineries, and petrochemical plants where pipe strength and structural integrity are paramount. These pipes perform reliably under a range of temperature and pressure conditions and are often coated or lined to enhance corrosion resistance. With their impressive strength-to-weight ratio and excellent fabrication properties, API 5L X56 Pipes are a dependable choice for long-distance pipeline projects and energy sector applications that prioritize efficiency and safety.
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